too to引导什么从句

too to引导引导的是不定式,不是从句,通常表示结果,是结果状语 如果要变从句，如

No one is too old to learn.(结果状语) No one is so old that he can not learn.(状语从句)

The result is going to be too close to call.

双方实力非常接近，因此结果无法预料。

Her life was too full to find time for hobbies.

她的生活太忙，没有业余爱好的.时间。

He\'s too young to understand the ways of the world.

他还太年轻，不懂得处世之道。

I\'ve got far too much to do.

我要做的事情太多了。